[GreenKeys] Model 15 Keyboard

[E.]

The Bell System and other systems have quite the different wiring schemes on the keyboards.  Could have the clutch, gear and contacts been sized differently, to compensate for some extra room being taken?

Not a 50 vs. 60 hertz thing.

(owner of two 19s that haven’t played much with them lately ;p )


> On Feb 27, 2025, at 8:08 PM, Tom Hunter <tomhenryhunter at gmail.com> wrote:
> 
> The model 15 keyboard is geared to the mainshaft and
> runs at whatever speed the mainshaft is turning.
> 
> To change speeds it is only necessary to change the
> motor pinion and the corresponding mainshaft gear.
> The keyboard will follow right along.
> 
> 
> Tom   N3CRK  - owner of five 15s